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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 387 · 40 questions
TalentJR

Remember (Who and what for?): Telephone – Alexander Graham Bell, first aeroplane – the Wright brothers, printing press – Johannes Gutenberg, raised-dot writing – Louis Braille. Smallpox vaccine – Edward Jenner, penicillin – Alexander Fleming, stethoscope – René Laennec, electric battery – Alessandro Volta, X-rays – Wilhelm Röntgen. Uses: telephone – talk far away, thermometer – body temperature, compass – directions, telescope – faraway stars, microscope – tiny germs.

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  1. 1.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  2. 2.What does a telephone help us do? (a) find directions (b) talk to people far away (c) hear the heartbeat (d) see tiny germs
  3. 3.What does a calculator help us do? (a) print many books (b) talk to people far away (c) do sums quickly (d) see faraway stars
  4. 4.🔧 Which invention helps us find directions? (a) telephone (b) compass (c) thermometer (d) telescope
  5. 5.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) clock (c) printing press (d) thermometer
  6. 6.True or false: a clock helps us tell the time. (a) False (b) True
  7. 7.💡 Who gave us X-rays? (a) Edward Jenner (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Alexander Fleming
  8. 8.True or false: a telescope helps us hear the heartbeat. (a) True (b) False
  9. 9.True or false: a clock helps us talk to people far away. (a) False (b) True
  10. 10.What did Alessandro Volta give us? (a) the stethoscope (b) the printing press (c) X-rays (d) the electric battery
  11. 11.What did Alexander Fleming give us? (a) the telephone (b) penicillin (c) the electric battery (d) raised-dot writing
  12. 12.What did Alexander Graham Bell give us? (a) the first aeroplane (b) penicillin (c) the smallpox vaccine (d) the telephone
  13. 13.True or false: Louis Braille gave us raised-dot writing. (a) False (b) True
  14. 14.True or false: a thermometer helps us measure body temperature. (a) True (b) False
  15. 15.💡 Who gave us the smallpox vaccine? (a) Wilhelm Röntgen (b) Edward Jenner (c) René Laennec (d) Louis Braille
  16. 16.True or false: a microscope helps us see tiny germs. (a) True (b) False
  17. 17.💡 Who gave us the first aeroplane? (a) the Wright brothers (b) Wilhelm Röntgen (c) Johannes Gutenberg (d) Alessandro Volta
  18. 18.True or false: Alexander Graham Bell gave us the telephone. (a) True (b) False
  19. 19.💡 Who gave us the electric battery? (a) Alexander Fleming (b) Alexander Graham Bell (c) Alessandro Volta (d) Edward Jenner
  20. 20.🔧 Which invention helps us talk to people far away? (a) telephone (b) compass (c) microscope (d) stethoscope
  21. 21.What did Wilhelm Röntgen give us? (a) the printing press (b) raised-dot writing (c) X-rays (d) the stethoscope
  22. 22.True or false: a clock helps us find directions. (a) False (b) True
  23. 23.💡 Who gave us penicillin? (a) Alessandro Volta (b) Wilhelm Röntgen (c) Edward Jenner (d) Alexander Fleming
  24. 24.What does a compass help us do? (a) hear the heartbeat (b) measure body temperature (c) find directions (d) see faraway stars
  25. 25.💡 Who gave us the stethoscope? (a) René Laennec (b) Louis Braille (c) Alexander Graham Bell (d) Johannes Gutenberg
  26. 26.What did Edward Jenner give us? (a) the stethoscope (b) the electric battery (c) the smallpox vaccine (d) the telephone
  27. 27.True or false: Wilhelm Röntgen gave us the first aeroplane. (a) True (b) False
  28. 28.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  29. 29.True or false: a telephone helps us print many books. (a) True (b) False
  30. 30.What does a clock help us do? (a) talk to people far away (b) do sums quickly (c) find directions (d) tell the time
  31. 31.🔧 Which invention helps us hear the heartbeat? (a) microscope (b) thermometer (c) compass (d) stethoscope
  32. 32.🔧 Which invention helps us print many books? (a) stethoscope (b) telescope (c) printing press (d) microscope
  33. 33.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  34. 34.💡 Who gave us the printing press? (a) Johannes Gutenberg (b) René Laennec (c) Edward Jenner (d) Wilhelm Röntgen
  35. 35.True or false: Louis Braille gave us the smallpox vaccine. (a) False (b) True
  36. 36.What does a printing press help us do? (a) hear the heartbeat (b) see tiny germs (c) measure body temperature (d) print many books
  37. 37.What did René Laennec give us? (a) the telephone (b) the stethoscope (c) the first aeroplane (d) the printing press
  38. 38.True or false: Alessandro Volta gave us the electric battery. (a) True (b) False
  39. 39.True or false: a stethoscope helps us talk to people far away. (a) True (b) False
  40. 40.True or false: Alexander Fleming gave us the smallpox vaccine. (a) False (b) True

Answer key

  1. False
  2. talk to people far away
  3. do sums quickly
  4. compass
  5. thermometer
  6. True
  7. Wilhelm Röntgen
  8. False
  9. False
  10. the electric battery
  11. penicillin
  12. the telephone
  13. True
  14. True
  15. Edward Jenner
  16. True
  17. the Wright brothers
  18. True
  19. Alessandro Volta
  20. telephone
  21. X-rays
  22. False
  23. Alexander Fleming
  24. find directions
  25. René Laennec
  26. the smallpox vaccine
  27. False
  28. True
  29. False
  30. tell the time
  31. stethoscope
  32. printing press
  33. True
  34. Johannes Gutenberg
  35. False
  36. print many books
  37. the stethoscope
  38. True
  39. False
  40. False

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